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<div class="subTitle">org.apache.commons.math3.ode</div>
<h2 title="Class JacobianMatrices" class="title">Class JacobianMatrices</h2>
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<pre>public class <span class="strong">JacobianMatrices</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">This class defines a set of <a href="../../../../../org/apache/commons/math3/ode/SecondaryEquations.html" title="interface in org.apache.commons.math3.ode"><code>secondary equations</code></a> to
 compute the Jacobian matrices with respect to the initial state vector and, if
 any, to some parameters of the primary ODE set.
 <p>
 It is intended to be packed into an <a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html" title="class in org.apache.commons.math3.ode"><code>ExpandableStatefulODE</code></a>
 in conjunction with a primary set of ODE, which may be:
 <ul>
 <li>a <a href="../../../../../org/apache/commons/math3/ode/FirstOrderDifferentialEquations.html" title="interface in org.apache.commons.math3.ode"><code>FirstOrderDifferentialEquations</code></a></li>
 <li>a <a href="../../../../../org/apache/commons/math3/ode/MainStateJacobianProvider.html" title="interface in org.apache.commons.math3.ode"><code>MainStateJacobianProvider</code></a></li>
 </ul>
 In order to compute Jacobian matrices with respect to some parameters of the
 primary ODE set, the following parameter Jacobian providers may be set:
 <ul>
 <li>a <a href="../../../../../org/apache/commons/math3/ode/ParameterJacobianProvider.html" title="interface in org.apache.commons.math3.ode"><code>ParameterJacobianProvider</code></a></li>
 <li>a <a href="../../../../../org/apache/commons/math3/ode/ParameterizedODE.html" title="interface in org.apache.commons.math3.ode"><code>ParameterizedODE</code></a></li>
 </ul>
 </p></div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>3.0</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html" title="class in org.apache.commons.math3.ode"><code>ExpandableStatefulODE</code></a>, 
<a href="../../../../../org/apache/commons/math3/ode/FirstOrderDifferentialEquations.html" title="interface in org.apache.commons.math3.ode"><code>FirstOrderDifferentialEquations</code></a>, 
<a href="../../../../../org/apache/commons/math3/ode/MainStateJacobianProvider.html" title="interface in org.apache.commons.math3.ode"><code>MainStateJacobianProvider</code></a>, 
<a href="../../../../../org/apache/commons/math3/ode/ParameterJacobianProvider.html" title="interface in org.apache.commons.math3.ode"><code>ParameterJacobianProvider</code></a>, 
<a href="../../../../../org/apache/commons/math3/ode/ParameterizedODE.html" title="interface in org.apache.commons.math3.ode"><code>ParameterizedODE</code></a></dd></dl>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.MismatchedEquations.html" title="class in org.apache.commons.math3.ode">JacobianMatrices.MismatchedEquations</a></strong></code>
<div class="block">Special exception for equations mismatch.</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html#JacobianMatrices(org.apache.commons.math3.ode.FirstOrderDifferentialEquations,%20double[],%20java.lang.String...)">JacobianMatrices</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/FirstOrderDifferentialEquations.html" title="interface in org.apache.commons.math3.ode">FirstOrderDifferentialEquations</a>&nbsp;fode,
                double[]&nbsp;hY,
                <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>...&nbsp;parameters)</code>
<div class="block">Simple constructor for a secondary equations set computing Jacobian matrices.</div>
</td>
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<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html#JacobianMatrices(org.apache.commons.math3.ode.MainStateJacobianProvider,%20java.lang.String...)">JacobianMatrices</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/MainStateJacobianProvider.html" title="interface in org.apache.commons.math3.ode">MainStateJacobianProvider</a>&nbsp;jode,
                <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>...&nbsp;parameters)</code>
<div class="block">Simple constructor for a secondary equations set computing Jacobian matrices.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html#addParameterJacobianProvider(org.apache.commons.math3.ode.ParameterJacobianProvider)">addParameterJacobianProvider</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/ParameterJacobianProvider.html" title="interface in org.apache.commons.math3.ode">ParameterJacobianProvider</a>&nbsp;provider)</code>
<div class="block">Add a parameter Jacobian provider.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html#getCurrentMainSetJacobian(double[][])">getCurrentMainSetJacobian</a></strong>(double[][]&nbsp;dYdY0)</code>
<div class="block">Get the current value of the Jacobian matrix with respect to state.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html#getCurrentParameterJacobian(java.lang.String,%20double[])">getCurrentParameterJacobian</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;pName,
                           double[]&nbsp;dYdP)</code>
<div class="block">Get the current value of the Jacobian matrix with respect to one parameter.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html#registerVariationalEquations(org.apache.commons.math3.ode.ExpandableStatefulODE)">registerVariationalEquations</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html" title="class in org.apache.commons.math3.ode">ExpandableStatefulODE</a>&nbsp;expandable)</code>
<div class="block">Register the variational equations for the Jacobians matrices to the expandable set.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html#setInitialMainStateJacobian(double[][])">setInitialMainStateJacobian</a></strong>(double[][]&nbsp;dYdY0)</code>
<div class="block">Set the initial value of the Jacobian matrix with respect to state.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html#setInitialParameterJacobian(java.lang.String,%20double[])">setInitialParameterJacobian</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;pName,
                           double[]&nbsp;dYdP)</code>
<div class="block">Set the initial value of a column of the Jacobian matrix with respect to one parameter.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html#setParameterizedODE(org.apache.commons.math3.ode.ParameterizedODE)">setParameterizedODE</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/ParameterizedODE.html" title="interface in org.apache.commons.math3.ode">ParameterizedODE</a>&nbsp;parameterizedOde)</code>
<div class="block">Set a parameter Jacobian provider.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html#setParameterStep(java.lang.String,%20double)">setParameterStep</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;parameter,
                double&nbsp;hP)</code>
<div class="block">Set the step associated to a parameter in order to compute by finite
  difference the Jacobian matrix.</div>
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<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<pre>public&nbsp;JacobianMatrices(<a href="../../../../../org/apache/commons/math3/ode/FirstOrderDifferentialEquations.html" title="interface in org.apache.commons.math3.ode">FirstOrderDifferentialEquations</a>&nbsp;fode,
                double[]&nbsp;hY,
                <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>...&nbsp;parameters)
                 throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Simple constructor for a secondary equations set computing Jacobian matrices.
 <p>
 Parameters must belong to the supported ones given by <a href="../../../../../org/apache/commons/math3/ode/Parameterizable.html#getParametersNames()"><code>Parameterizable.getParametersNames()</code></a>, so the primary set of differential
 equations must be <a href="../../../../../org/apache/commons/math3/ode/Parameterizable.html" title="interface in org.apache.commons.math3.ode"><code>Parameterizable</code></a>.
 </p>
 <p>Note that each selection clears the previous selected parameters.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>fode</code> - the primary first order differential equations set to extend</dd><dd><code>hY</code> - step used for finite difference computation with respect to state vector</dd><dd><code>parameters</code> - parameters to consider for Jacobian matrices processing
 (may be null if parameters Jacobians is not desired)</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if there is a dimension mismatch between
 the steps array <code>hY</code> and the equation dimension</dd></dl>
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<pre>public&nbsp;JacobianMatrices(<a href="../../../../../org/apache/commons/math3/ode/MainStateJacobianProvider.html" title="interface in org.apache.commons.math3.ode">MainStateJacobianProvider</a>&nbsp;jode,
                <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>...&nbsp;parameters)</pre>
<div class="block">Simple constructor for a secondary equations set computing Jacobian matrices.
 <p>
 Parameters must belong to the supported ones given by <a href="../../../../../org/apache/commons/math3/ode/Parameterizable.html#getParametersNames()"><code>Parameterizable.getParametersNames()</code></a>, so the primary set of differential
 equations must be <a href="../../../../../org/apache/commons/math3/ode/Parameterizable.html" title="interface in org.apache.commons.math3.ode"><code>Parameterizable</code></a>.
 </p>
 <p>Note that each selection clears the previous selected parameters.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>jode</code> - the primary first order differential equations set to extend</dd><dd><code>parameters</code> - parameters to consider for Jacobian matrices processing
 (may be null if parameters Jacobians is not desired)</dd></dl>
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<h4>registerVariationalEquations</h4>
<pre>public&nbsp;void&nbsp;registerVariationalEquations(<a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html" title="class in org.apache.commons.math3.ode">ExpandableStatefulODE</a>&nbsp;expandable)
                                  throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a>,
                                         <a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.MismatchedEquations.html" title="class in org.apache.commons.math3.ode">JacobianMatrices.MismatchedEquations</a></pre>
<div class="block">Register the variational equations for the Jacobians matrices to the expandable set.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>expandable</code> - expandable set into which variational equations should be registered</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the dimension of the partial state does not
 match the selected equations set dimension</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.MismatchedEquations.html" title="class in org.apache.commons.math3.ode">JacobianMatrices.MismatchedEquations</a></code> - if the primary set of the expandable set does
 not match the one used to build the instance</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#addSecondaryEquations(org.apache.commons.math3.ode.SecondaryEquations)"><code>ExpandableStatefulODE.addSecondaryEquations(SecondaryEquations)</code></a></dd></dl>
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<h4>addParameterJacobianProvider</h4>
<pre>public&nbsp;void&nbsp;addParameterJacobianProvider(<a href="../../../../../org/apache/commons/math3/ode/ParameterJacobianProvider.html" title="interface in org.apache.commons.math3.ode">ParameterJacobianProvider</a>&nbsp;provider)</pre>
<div class="block">Add a parameter Jacobian provider.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>provider</code> - the parameter Jacobian provider to compute exactly the parameter Jacobian matrix</dd></dl>
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<h4>setParameterizedODE</h4>
<pre>public&nbsp;void&nbsp;setParameterizedODE(<a href="../../../../../org/apache/commons/math3/ode/ParameterizedODE.html" title="interface in org.apache.commons.math3.ode">ParameterizedODE</a>&nbsp;parameterizedOde)</pre>
<div class="block">Set a parameter Jacobian provider.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>parameterizedOde</code> - the parameterized ODE to compute the parameter Jacobian matrix using finite differences</dd></dl>
</li>
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<h4>setParameterStep</h4>
<pre>public&nbsp;void&nbsp;setParameterStep(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;parameter,
                    double&nbsp;hP)
                      throws <a href="../../../../../org/apache/commons/math3/ode/UnknownParameterException.html" title="class in org.apache.commons.math3.ode">UnknownParameterException</a></pre>
<div class="block">Set the step associated to a parameter in order to compute by finite
  difference the Jacobian matrix.
 <p>
 Needed if and only if the primary ODE set is a <a href="../../../../../org/apache/commons/math3/ode/ParameterizedODE.html" title="interface in org.apache.commons.math3.ode"><code>ParameterizedODE</code></a>.
 </p>
 <p>
 Given a non zero parameter value pval for the parameter, a reasonable value
 for such a step is <code>pval * FastMath.sqrt(Precision.EPSILON)</code>.
 </p>
 <p>
 A zero value for such a step doesn't enable to compute the parameter Jacobian matrix.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>parameter</code> - parameter to consider for Jacobian processing</dd><dd><code>hP</code> - step for Jacobian finite difference computation w.r.t. the specified parameter</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/ode/UnknownParameterException.html" title="class in org.apache.commons.math3.ode">UnknownParameterException</a></code> - if the parameter is not supported</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/ode/ParameterizedODE.html" title="interface in org.apache.commons.math3.ode"><code>ParameterizedODE</code></a></dd></dl>
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<h4>setInitialMainStateJacobian</h4>
<pre>public&nbsp;void&nbsp;setInitialMainStateJacobian(double[][]&nbsp;dYdY0)
                                 throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Set the initial value of the Jacobian matrix with respect to state.
 <p>
 If this method is not called, the initial value of the Jacobian
 matrix with respect to state is set to identity.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dYdY0</code> - initial Jacobian matrix w.r.t. state</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if matrix dimensions are incorrect</dd></dl>
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<pre>public&nbsp;void&nbsp;setInitialParameterJacobian(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;pName,
                               double[]&nbsp;dYdP)
                                 throws <a href="../../../../../org/apache/commons/math3/ode/UnknownParameterException.html" title="class in org.apache.commons.math3.ode">UnknownParameterException</a>,
                                        <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Set the initial value of a column of the Jacobian matrix with respect to one parameter.
 <p>
 If this method is not called for some parameter, the initial value of
 the column of the Jacobian matrix with respect to this parameter is set to zero.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>pName</code> - parameter name</dd><dd><code>dYdP</code> - initial Jacobian column vector with respect to the parameter</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/ode/UnknownParameterException.html" title="class in org.apache.commons.math3.ode">UnknownParameterException</a></code> - if a parameter is not supported</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the column vector does not match state dimension</dd></dl>
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<div class="block">Get the current value of the Jacobian matrix with respect to state.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dYdY0</code> - current Jacobian matrix with respect to state.</dd></dl>
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<pre>public&nbsp;void&nbsp;getCurrentParameterJacobian(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;pName,
                               double[]&nbsp;dYdP)</pre>
<div class="block">Get the current value of the Jacobian matrix with respect to one parameter.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>pName</code> - name of the parameter for the computed Jacobian matrix</dd><dd><code>dYdP</code> - current Jacobian matrix with respect to the named parameter</dd></dl>
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